D-601B United States Hardware Hall & Closet Knob For Mobile HomeMobile home knob lockset. For bedroom and bathroom doors where a simple latch is all that is required. 2-3/8" backset. Round drive-in latch. Plain knob on both sides. Turning either knob will retract latch bolt at all times to open door. Manufactured from plastic. No. D-601B: Finish: Polished Brass, Strike: Square Corner, Pkg Qty: 1, Package Type: Bag